Vacuum cleaner



FIG. 1 is a perspective view of a vacuum cleaner, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a partially-exploded perspective view of the vacuum cleaner of FIG. 1, in which the claimed design portion is separated away from the remaining vacuum cleaner to further illustrate the claimed design.

The broken lines are for environmental purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design for a vacuum cleaner, as shown and described. 